Home / 27,757.14-38,305.76-15,181.89

Finding the Fourth Proportional to 27,757.14, 38,305.76 and 15,181.89

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Solution

The fourth proportional to 27,757.14, 38,305.76 and 15,181.89 is: 20,951.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,757.14 : 38,305.76 = 15,181.89 : x
  2. Step 2: Convert to fraction form
    27,757.14/38,305.76 = 15,181.89/x
  3. Step 3: Cross multiply
    27,757.14x = 38,305.76 × 15,181.89
  4. Step 4: Simplify right side
    27,757.14x = 581,553,834.69
  5. Step 5: Solve for x
    x = 581,553,834.69/27,757.14
  6. Step 6: Final answer
    x = 20,951.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.